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1N4740A_T50R
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Product Detailed Parameters
- Description：DIODE ZENER 10V 1W DO41
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：10 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：7 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 7.6 V
- Operating Temperature：-65°C ~ 200°C
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Voltage - Forward (Vf) (Max) @ If：-
- Grade：-
- Qualification：-
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Overview
The onsemi 1N4740A is a glass-passivated junction silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 10 V with a 5% tolerance, measured at a test current of 25 mA. The device supports a maximum power dissipation of 1.0 W and operates within a temperature range of -65°C to +200°C. Key electrical characteristics include a maximum Zener impedance of 7 Ohms and a leakage current of 10 µA.
Feature Summary
- Glass passivation provides protection against mechanical stress and environmental factors.
- High thermal stability allows operation up to 200°C junction temperature.
- Low inductance design suitable for high-frequency switching circuits.
Applications
- Voltage regulation in power supply circuits
- Overvoltage protection for sensitive electronic components
- Reference voltage generation in measurement equipment
Procurement Notes
Verify the specific ordering suffix (e.g., T50R) against official datasheets to confirm packaging type and reel specifications. Ensure compliance with RoHS directives if required by the application. Cross-reference manufacturer part numbers to avoid confusion with similar series variants.
Selection Notes
Select this component based on the required 10 V regulation point and 1 W power handling capability. Consider the DO-41 through-hole package for standard PCB mounting. Evaluate thermal derating requirements if ambient temperatures exceed 50°C to maintain safe operating limits.
Part Context
This component belongs to the 1N47xx series of Zener diodes manufactured by onsemi. The series offers a wide range of voltage options from 3.3 V to 75 V, all sharing similar physical dimensions and electrical performance profiles. The 1N4740A specifically targets the 10 V segment of this extensive lineup.
Replacement Considerations
Compatible substitutes include Vishay 1N4740A and Microsemi MV1N4740AG. Verify that replacement parts match the 10 V nominal voltage, 1 W power rating, and DO-41 package form factor before integration.
